Email is failing on Post SMTP

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  • Thread Starter resolveissue

    (@resolveissue)

    We checked these two boxes which were unchecked before, and it started working. Why was this causing the issue?

    • This reply was modified 3 weeks, 2 days ago by resolveissue.
    Plugin Support M Aqib Khan

    (@aqibkhan9)

    Hello @resolveissue

    Hope you are doing well.

    Thank you for reaching out to us. We’re sorry to hear about the email delivery issue you’ve experienced. This error typically occurs when the From Email address used in the configuration isn’t authorized by the email service provider to send emails. In this case, it seems that the verified sender identity in SendGrid isn’t being used as the From Email, which may be causing the error.

    Sometimes, plugins or themes can override the default From Email setting configured in Post SMTP, leading to a mismatch. We highly recommend enabling the “Prevent Plugins and Theme from Changing This” option in Post SMTP settings to avoid any conflicts and ensure the correct From Email is always used.

    If you need further assistance or have any questions, feel free to reach out. We’re here to help!

    Warm regards,
    Support Team – WP Experts

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